Science

Thursday, 9 July 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Tears
There are three types of tears.
They are: Basal tears (protecting and nourishing cornea) Reflex tears (glands' reaction to irritating compounds, like smoke) Emotional tears (produced in response to various emotional states)
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Silver
Silver has been used in photographic technology.
It is used there to obtain silver halides (primarily silver bromide) used as photosensitive substances.
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Phobos
It is the closest orbiting moon in the Solar System.
It orbits Mars faster than it rotates, completing an orbit in 7 hours and 39 minutes.
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Snow
Snowflakes fall relatively slowly, at about four kilometers per hour.
On average, heavy rainfall falls at about 20 kilometers per hour, and hail can reach much higher spe ...
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Large Magellanic Cloud
The mass of the Large Magellanic Cloud is estimated at 10 billion solar masses, which is about a hundred times less massive than the Milky Way.
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Titan
So far, more than 80 lakes have been discovered on its surface.
The seas and lakes of Titan are filled with liquid hydrocarbons.
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Large Magellanic Cloud
We define the shape of the galaxy as a Magellanic spiral galaxy.
It has a bar, but it does not appear in the center of the galaxy. The reason for this deformation is the gravitational influence of both the Milky Way and the Small Magellanic Cloud.
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Graphene
Already in the 19th century, scientists speculated that graphite was composed of layers.
This was only proven through research at the beginning of the 20th century, In 1947, the first theor ...
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Enceladus
Enceladus was discovered by William Herschel on August 28, 1789.
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Aurora
The color of the aurora depends on the height at which the atoms are colliding, and the type of atom.
If the collision is with nitrogen, we see the color purple and maroon. Collision with oxygen gives g ...
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17 facts about Titan
17 facts about Titan
The largest of Saturn’s satellites
Titan is the only moon in the Solar System with such a dense atmosphere. It is the second largest moon in the Solar System after Ganymede (Jupiter III ...
18 facts about amber
18 facts about amber
Fossilized tree resin
Amber is one of the most interesting natural products. It looks like a gemstone, but it is a fossilized tree resin from ancient trees dating back mill ...
16 facts about liver
16 facts about liver
24/7 laboratory
The liver is one of the most essential human organs. It is extensively multitasking—it produces, filtrates, converts, and stores. It is thanks to the ...
29 facts about NASA
29 facts about NASA
For the Benefit of All
The Cold War, although a grim period in world history, brought an intense rivalry in a space race between the U.S., and the Soviet Union. As a result, ...
16 facts about Aurora
16 facts about Aurora
Northern light that has delighted people for centuries
Auroras can be different. Sometimes it is bright and dancing, shimmering with different colors, sometimes it appears still. It has always fascinated p ...
19 facts about Brain
19 facts about Brain
Organic supercomputer
The brain is one of the most important and most fascinating and complex organs in the human body. It is an incredibly plastic command center that over ...
16 facts about Phobos
16 facts about Phobos
The larger of two moons of Mars
We do not know the exact origin of this satellite. We know, however, that it is dangerously close to its planet and is in for a catastrophe. It is not ...
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